savepng.cpp File Reference

#include <SDL.h>
#include <png.h>
#include "savepng.h"
#include <cstdlib>

Include dependency graph for savepng.cpp:

Go to the source code of this file.

Macros
#define	SAVEPNG_SUCCESS   0
#define	SAVEPNG_ERROR   -1
#define	USE_ROW_POINTERS
#define	rmask   0xFF000000
#define	gmask   0x00FF0000
#define	bmask   0x0000FF00
#define	amask   0x000000FF

Functions
static void	png_error_SDL (png_structp, png_const_charp str)
static void	png_write_SDL (png_structp png_ptr, png_bytep data, png_size_t length)
SDL_Surface *	SDL_PNGFormatAlpha (SDL_Surface *src)
int	SDL_SavePNG_RW (SDL_Surface *surface, SDL_RWops *dst, int freedst)

Macro Definition Documentation

#define amask   0x000000FF

Definition at line 23 of file savepng.cpp.

#define bmask   0x0000FF00

Definition at line 22 of file savepng.cpp.

Referenced by SDL_SavePNG_RW().

#define gmask   0x00FF0000

Definition at line 21 of file savepng.cpp.

Referenced by SDL_SavePNG_RW().

#define rmask   0xFF000000

Definition at line 20 of file savepng.cpp.

Referenced by SDL_SavePNG_RW().

#define SAVEPNG_ERROR   -1

Definition at line 15 of file savepng.cpp.

Referenced by SDL_SavePNG_RW().

#define SAVEPNG_SUCCESS   0

Definition at line 14 of file savepng.cpp.

Referenced by SDL_SavePNG_RW().

#define USE_ROW_POINTERS

Definition at line 17 of file savepng.cpp.

Function Documentation

static void png_error_SDL ( png_structp  , png_const_charp  str  )

static

Definition at line 34 of file savepng.cpp.

Referenced by SDL_SavePNG_RW().

static void png_write_SDL ( png_structp  png_ptr, png_bytep  data, png_size_t  length  )

static

Definition at line 38 of file savepng.cpp.

Referenced by SDL_SavePNG_RW().

SDL_Surface* SDL_PNGFormatAlpha

(

SDL_Surface *

src

)

Definition at line 44 of file savepng.cpp.

References surf.

Referenced by image::save_image().

int SDL_SavePNG_RW	(	SDL_Surface *	surface,
		SDL_RWops *	dst,
		int	freedst
	)

Definition at line 65 of file savepng.cpp.

References bmask, gmask, i, png_error_SDL(), png_write_SDL(), rmask, SAVEPNG_ERROR, and SAVEPNG_SUCCESS.